-86.34% is the change from 344 to 47
Calculation steps:
[( 47 - 344 ) ÷ 344] x 100 = -86.34%
Formula
Percentage change = [(47 - 344) / 344] x 100
Subtract the new number by the original number
47 - 344 = -297
-297 ÷ 344 = -0.8633720930232558
-0.8633720930232558 x 100 = -86.34%